Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396814 | Method of hot tapping a pipe for installing ionic flowmeter transducers | Dennis H. Tuttle, Henry E. Ryer | 1995-03-14 |
| 4535969 | Valve structures | — | 1985-08-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396814 | Method of hot tapping a pipe for installing ionic flowmeter transducers | Dennis H. Tuttle, Henry E. Ryer | 1995-03-14 |
| 4535969 | Valve structures | — | 1985-08-20 |